160621457 has 16 divisors (see below), whose sum is σ = 173376000. Its totient is φ = 148262400.

The previous prime is 160621451. The next prime is 160621463. The reversal of 160621457 is 754126061.

It is an interprime number because it is at equal distance from previous prime (160621451) and next prime (160621463).

It is a cyclic number.

It is not a de Polignac number, because 160621457 - 2⁴ = 160621441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160621451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266957 + ... + 267557.

It is an arithmetic number, because the mean of its divisors is an integer number (10836000).

Almost surely, 2^160621457 is an apocalyptic number.

160621457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

160621457 is a deficient number, since it is larger than the sum of its proper divisors (12754543).

160621457 is a wasteful number, since it uses less digits than its factorization.

160621457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 160621457 is about 12673.6520782291. The cubic root of 160621457 is about 543.5854876958.

The spelling of 160621457 in words is "one hundred sixty million, six hundred twenty-one thousand, four hundred fifty-seven".